valueless
adjective uk/ˈvæl.juː.ləs/ us/ˈvæl.juː.ləs/
(MONEY)
不值钱的
not worth any money
We thought the chair was an antique worth a lot of money, but it turned out to be a valueless replica. 我们原以为这把椅子是非常值钱的古董，但后来发现是个一文不值的复制品。
(IMPORTANCE)
不重要的；没用的；无价值的
not important or helpful
His comments were so general that they were practically valueless. 他的意见过于笼统，几乎没什么价值。